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BeamMP-Server/src/TServer.cpp
Lion Kortlepel 32038046d5 add print on ping
2021-03-18 23:44:14 +02:00

280 lines
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#include "TServer.h"
#include "Client.h"
#include "Common.h"
#include "TPPSMonitor.h"
#include "TTCPServer.h"
#include "TUDPServer.h"
#include <TLuaFile.h>
#include <any>
#include <sstream>
#include "rapidjson/document.h"
#include "rapidjson/stringbuffer.h"
#include "rapidjson/writer.h"
namespace json = rapidjson;
TServer::TServer(int argc, char** argv) {
info("BeamMP Server running version " + Application::ServerVersion());
if (argc > 1) {
Application::Settings.CustomIP = argv[1];
size_t n = std::count(Application::Settings.CustomIP.begin(), Application::Settings.CustomIP.end(), '.');
auto p = Application::Settings.CustomIP.find_first_not_of((".0123456789"));
if (p != std::string::npos || n != 3 || Application::Settings.CustomIP.substr(0, 3) == ("127")) {
Application::Settings.CustomIP.clear();
warn("IP Specified is invalid! Ignoring");
} else {
info("server started with custom IP");
}
}
}
void TServer::RemoveClient(std::weak_ptr<TClient> WeakClientPtr) {
if (!WeakClientPtr.expired()) {
TClient& Client = *WeakClientPtr.lock();
debug("removing client " + Client.GetName() + " (" + std::to_string(ClientCount()) + ")");
Client.ClearCars();
WriteLock Lock(mClientsMutex);
mClients.erase(WeakClientPtr.lock());
}
}
std::weak_ptr<TClient> TServer::InsertNewClient() {
debug("inserting new client (" + std::to_string(ClientCount()) + ")");
WriteLock Lock(mClientsMutex);
auto [Iter, Replaced] = mClients.insert(std::make_shared<TClient>(*this));
return *Iter;
}
void TServer::ForEachClient(const std::function<bool(std::weak_ptr<TClient>)>& Fn) {
ReadLock Lock(mClientsMutex);
for (auto& Client : mClients) {
if (!Fn(Client)) {
break;
}
}
}
size_t TServer::ClientCount() const {
ReadLock Lock(mClientsMutex);
return mClients.size();
}
void TServer::GlobalParser(std::weak_ptr<TClient> Client, std::string Packet, TPPSMonitor& PPSMonitor, TUDPServer& UDPServer, TTCPServer& TCPServer) {
if (Packet.find("Zp") != std::string::npos && Packet.size() > 500) {
abort();
}
if (Packet.substr(0, 4) == "ABG:") {
Packet = DeComp(Packet.substr(4));
}
if (Packet.empty()) {
return;
}
if (Client.expired()) {
return;
}
auto LockedClient = Client.lock();
std::any Res;
char Code = Packet.at(0);
//V to Z
if (Code <= 90 && Code >= 86) {
PPSMonitor.IncrementInternalPPS();
UDPServer.SendToAll(LockedClient.get(), Packet, false, false);
return;
}
switch (Code) {
case 'H': // initial connection
#ifdef DEBUG
debug(std::string("got 'H' packet: '") + Packet + "' (" + std::to_string(Packet.size()) + ")");
#endif
TCPServer.SyncClient(Client);
return;
case 'p':
TCPServer.Respond(*LockedClient, ("p"), false);
TCPServer.UpdatePlayer(*LockedClient);
LockedClient->UpdatePingTime();
debug("ping received from " + LockedClient->GetName());
return;
case 'O':
if (Packet.length() > 1000) {
debug(("Received data from: ") + LockedClient->GetName() + (" Size: ") + std::to_string(Packet.length()));
}
ParseVehicle(*LockedClient, Packet, TCPServer, UDPServer);
return;
case 'J':
#ifdef DEBUG
debug(std::string(("got 'J' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
UDPServer.SendToAll(LockedClient.get(), Packet, false, true);
return;
case 'C':
#ifdef DEBUG
debug(std::string(("got 'C' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
if (Packet.length() < 4 || Packet.find(':', 3) == std::string::npos)
break;
Res = TriggerLuaEvent("onChatMessage", false, nullptr, std::make_unique<TLuaArg>(TLuaArg { { LockedClient->GetID(), LockedClient->GetName(), Packet.substr(Packet.find(':', 3) + 1) } }), true);
if (std::any_cast<int>(Res))
break;
UDPServer.SendToAll(nullptr, Packet, true, true);
return;
case 'E':
#ifdef DEBUG
debug(std::string(("got 'E' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
HandleEvent(*LockedClient, Packet);
return;
default:
return;
}
}
void TServer::HandleEvent(TClient& c, const std::string& Data) {
std::stringstream ss(Data);
std::string t, Name;
int a = 0;
while (std::getline(ss, t, ':')) {
switch (a) {
case 1:
Name = t;
break;
case 2:
TriggerLuaEvent(Name, false, nullptr, std::make_unique<TLuaArg>(TLuaArg { { c.GetID(), t } }), false);
break;
default:
break;
}
if (a == 2)
break;
a++;
}
}
void TServer::ParseVehicle(TClient& c, const std::string& Pckt, TTCPServer& TCPServer, TUDPServer& UDPServer) {
if (Pckt.length() < 4)
return;
std::string Packet = Pckt;
char Code = Packet.at(1);
int PID = -1;
int VID = -1;
std::string Data = Packet.substr(3), pid, vid;
switch (Code) { //Spawned Destroyed Switched/Moved NotFound Reset
case 's':
#ifdef DEBUG
debug(std::string(("got 'Os' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
if (Data.at(0) == '0') {
int CarID = c.GetOpenCarID();
debug(c.GetName() + (" created a car with ID ") + std::to_string(CarID));
Packet = "Os:" + c.GetRoles() + ":" + c.GetName() + ":" + std::to_string(c.GetID()) + "-" + std::to_string(CarID) + Packet.substr(4);
auto Res = TriggerLuaEvent(("onVehicleSpawn"), false, nullptr, std::make_unique<TLuaArg>(TLuaArg { { c.GetID(), CarID, Packet.substr(3) } }), true);
if (c.GetCarCount() >= Application::Settings.MaxCars || std::any_cast<int>(Res)) {
TCPServer.Respond(c, Packet, true);
std::string Destroy = "Od:" + std::to_string(c.GetID()) + "-" + std::to_string(CarID);
TCPServer.Respond(c, Destroy, true);
debug(c.GetName() + (" (force : car limit/lua) removed ID ") + std::to_string(CarID));
} else {
c.AddNewCar(CarID, Packet);
UDPServer.SendToAll(nullptr, Packet, true, true);
}
}
return;
case 'c':
#ifdef DEBUG
debug(std::string(("got 'Oc' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
pid = Data.substr(0, Data.find('-'));
vid = Data.substr(Data.find('-') + 1, Data.find(':', 1) - Data.find('-') - 1);
if (pid.find_first_not_of("0123456789") == std::string::npos && vid.find_first_not_of("0123456789") == std::string::npos) {
PID = stoi(pid);
VID = stoi(vid);
}
if (PID != -1 && VID != -1 && PID == c.GetID()) {
auto Res = TriggerLuaEvent(("onVehicleEdited"), false, nullptr,
std::make_unique<TLuaArg>(TLuaArg { { c.GetID(), VID, Packet.substr(3) } }),
true);
if (!std::any_cast<int>(Res)) {
UDPServer.SendToAll(&c, Packet, false, true);
Apply(c, VID, Packet);
} else {
std::string Destroy = "Od:" + std::to_string(c.GetID()) + "-" + std::to_string(VID);
TCPServer.Respond(c, Destroy, true);
c.DeleteCar(VID);
}
}
return;
case 'd':
#ifdef DEBUG
debug(std::string(("got 'Od' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
pid = Data.substr(0, Data.find('-'));
vid = Data.substr(Data.find('-') + 1);
if (pid.find_first_not_of("0123456789") == std::string::npos && vid.find_first_not_of("0123456789") == std::string::npos) {
PID = stoi(pid);
VID = stoi(vid);
}
if (PID != -1 && VID != -1 && PID == c.GetID()) {
UDPServer.SendToAll(nullptr, Packet, true, true);
TriggerLuaEvent(("onVehicleDeleted"), false, nullptr,
std::make_unique<TLuaArg>(TLuaArg { { c.GetID(), VID } }), false);
c.DeleteCar(VID);
debug(c.GetName() + (" deleted car with ID ") + std::to_string(VID));
}
return;
case 'r':
#ifdef DEBUG
debug(std::string(("got 'Or' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
UDPServer.SendToAll(&c, Packet, false, true);
return;
case 't':
#ifdef DEBUG
debug(std::string(("got 'Ot' packet: '")) + Packet + ("' (") + std::to_string(Packet.size()) + (")"));
#endif
UDPServer.SendToAll(&c, Packet, false, true);
return;
default:
#ifdef DEBUG
warn(std::string(("possibly not implemented: '") + Packet + ("' (") + std::to_string(Packet.size()) + (")")));
#endif // DEBUG
return;
}
}
void TServer::Apply(TClient& c, int VID, const std::string& pckt) {
std::string Packet = pckt.substr(pckt.find('{')), VD = c.GetCarData(VID);
std::string Header = VD.substr(0, VD.find('{'));
VD = VD.substr(VD.find('{'));
rapidjson::Document Veh, Pack;
Veh.Parse(VD.c_str());
if (Veh.HasParseError()) {
error("Could not get vehicle config!");
return;
}
Pack.Parse(Packet.c_str());
if (Pack.HasParseError() || Pack.IsNull()) {
error("Could not get active vehicle config!");
return;
}
for (auto& M : Pack.GetObject()) {
if (Veh[M.name].IsNull()) {
Veh.AddMember(M.name, M.value, Veh.GetAllocator());
} else {
Veh[M.name] = Pack[M.name];
}
}
rapidjson::StringBuffer Buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(Buffer);
Veh.Accept(writer);
c.SetCarData(VID, Header + Buffer.GetString());
}
void TServer::InsertClient(std::shared_ptr<TClient> NewClient) {
debug("inserting client (" + std::to_string(ClientCount()) + ")");
WriteLock Lock(mClientsMutex);
(void)mClients.insert(NewClient);
}
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